The excretory product that requires minimum water for its elimination compare to others:
Correct answer: D. Uric acid
- A. Creatinine
- B. Ammonia
- C. Urea
- D. Uric acid
Explanation
Excretion is the removal of chemical waste from the body produced by metabolic processes within cells. The nitrogenous excretory products of animals are ammonia, urea and uric acid.
This question appeared on the HEC Phase I 2017 paper, which you can sit online with every answer explained.
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About Excretion
Excretion removes metabolic wastes such as carbon dioxide, urea and excess salts, and differs from egestion, which removes undigested food. Questions cover kidney structure, nephron ultrafiltration, selective reabsorption and urine formation, along with the excretory roles of the lungs, skin and liver in maintaining homeostasis.
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